Alicia wants to cover a section of her wall that is 2 feet wide and 12 feet long with mirrors. each mirror tile is 2 feet wide and 1.5 feet long. how many mirror tiles does she need to cover that section?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z